Our market place top FastWrap XL is well placed on ducts and gives helpful sound absorptions and fire safety. FastWrap duct wrap is totally inorganic and non-combustible. Supplying exceptional fire-resistance and relieve of installation, this duct wrap is a space-preserving substitute to cumbersome fire safety strategies like gypsum wall shafts. https://fire-rated-insulation-for01122.blogsumer.com/36082129/5-easy-facts-about-fire-rated-insulation-for-ductworth-described